The color of the inner wall of anus is usually pink or grayish brown, which is caused by the tissue composition of the inner wall of anus and internal blood circulation.
Mucosal layer is an important tissue contained in the inner wall of anus, which contains a large number of blood vessels and a small number of congested blood vessels. These blood vessels provide blood circulation on the inner wall of the anus, helping the tissues to work normally. When there is enough blood, the pink inside will appear.
In some cases, the color of the inner wall of the anus may change. When inflammation, ulcer or bleeding appear on the surface of the inner wall of anus, the color can turn red or black, suggesting that there may be diseases on the inner wall of anus.
Factors affecting the color of anal inner wall
In addition to disease factors, other external and internal factors may also affect the color of the inner wall of anus.
External causes include: diet, drugs, painkillers, laxatives, etc. Internal causes include gastrointestinal diseases and constipation.
This diet is rich in vitamins A, C, E and other trace elements. When the body lacks these nutrients, the healing speed of the inner wall of the anus will slow down, which will lead to some abnormalities in the tissue and changes in color.
How to keep the healthy color of the inner wall of anus
Maintaining the healthy color of the inner wall of anus is inseparable from healthy eating habits and living habits.
In diet, it is recommended to eat more vegetables, fruits and dietary fiber, reduce the intake of fried food, spicy food and foods containing sugar and caffeine, maintain adequate water intake, and make defecation smooth.
In terms of living habits, we should develop good hygiene habits, keep the anus clean and dry, avoid chronic constipation, avoid sedentary, ensure adequate sleep and exercise properly.
A disease in which the color of the inner wall of anus changes.
If the color of the inner wall of your anus changes, especially red or black, it may prompt some health problems. The following are some common diseases in which the color of the inner wall of anus changes.
1, Hemorrhoids: Hemorrhoids refer to the pathological changes of anal varicose veins, which is a common cause of pain and bleeding around anus. Slight hemorrhoids are hard around the anus and hardly affect the color; If severe hemorrhoids are accompanied by bleeding, it may lead to a dark red or black lump on the inner wall of anus.
2. Rectal polyp: Rectal polyp is mainly caused by small tumor tissue in rectal mucosa, forming bright, smooth and elastic intestinal growth.
3, anus or rectal cancer: when there is a malignant tumor in the anus or rectum, the inner wall of the anus can be black or dark red, massive, accompanied by local pain or bleeding and other discomfort symptoms.
In a word, it is very important to know the healthy color of the inner wall of anus and find the abnormal color in time.